Re: st: Missing Wald Chi2 value

Siddhesh Kamat wrote:
> I am running a logistic model with 8 categorical independent variables.
> The sample size is 516 patients.
> The model has a non-significant Pearson's chi2 and 3 variables are
> significant at the 0.05 alpha level.
> The Wald chi2 indicates a missing value and the STATA message reads "
> Your estimation results show a F or chi2 model statistic reported to be
> missing. Stata has done that so as not to be misleading, not because
> there is something necessarily wrong with your model."
> Has any one come across this situation before?
> I would appreciate any input.
This came up a week or two ago. Look at -whelp j_robustsingular- for more
detail on why this happens.
CLIVE NICHOLAS |t: 0(044)191 222 5969
Politics |e: clive.nicholas@ncl.ac.uk
Newcastle University |http://www.ncl.ac.uk/geps
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